GATE | GATE CS 2012 | Question 22

Which of the following problems are decidable?

(A) 1, 2, 3, 4
(B) 1, 2
(C) 2, 3, 4
(D) 3, 4

Answer: (D)
Explanation: See Question 3 of https://www.geeksforgeeks.org/automata-theory-set-2/amp/

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